Matching (9) Match items in column A to column B

Column a Column b
1.
A.
Asthenosphere
2.
B.
Mantle
3.
C.
Lithosphere
4.
D.
Core
5.
E.
Crust
6.
F.
Dense
7.
G.
Convection
8.
H.
Outer Core
9.
I.
Inner Core